Filling-detecting means for looms.



No. 769,679. PATENTED SEPT. 6, 1904. A. E. BENSON. FILLING DETECTINGMEANS FOR LOOMS.

APPLICATION FILED JUNE 27, 1904.

N0 MODEL.

UNITED STATES Patented September 6, 1904.

PATENT OFFICE...

ARTHUR E. BENSON, OF MAGNOLIA, MISSISSIPPI, ASSIGNOR TO DRAPER COMPANY,OF HOPEDALE, MASSACHUSETTS, A CORPORATION OF MAINE.

FILLING-DETECTING MEANS FOR LOOIVIS.

SPECIFICATION forming part of Application filed June 27, 1904.

To all whont it may concern:

Be it known that I, ARTHUR E. Emerson, a citizen of the United States,residing at Magnolia,county of Pike, and State of Mississippi, haveinvented an Improvement in Filling-Detecting Means for Looms, of whichthe follow- I ing description, in connection with the accompanyingdrawings, is a specification, like numerals on the drawings representinglike parts.

My present invention has for its object the production of novel means toabsolutely insure the accurate positioning of the grid in a loom withrelation to the tines of the filling- :fork on the forward beat of thelay, so that the fork and grid cannot engage each other. If thefork-tines strike the grid, the fork will be tilted and operate just asif the filling were present, and should this occur when the filling isabsent the loom will continue weaving and a thin place will be made inthe cloth.

As is well known, the lay sometimes has a side movement and the grid isthereby moved laterally, so as to bring its bars into engagement withthe tines and tilt the fork, with the result above mentioned. 1n thepresent embodiment of my invention 1 have made the grid laterallymovable on the lay, the forkslide moving in a fixed path, and l haveprovided intermittingly-operating means to cooperate with the grid andaccurately position the same with relation to the fork.

The various novel features of my invention will be fully described inthe subjoined specification and particularly pointed out in thefollowing claims.

Figure 1 is a top or plan View of a portion of a loom-lay with a gridmovably mounted thereon in accordance with one embodiment of my presentinvention and showing the means for accurately positioning the grid withrelation to the filling-fork. Fig. 2 is a front elevation of the gridand the adjacent portions of the lay. Fig. 3 is a transverse section onthe line 3 3, Fig. 1, looking toward the left; and Fig. 1 is a plan viewof the parts shown in Fig. 1, but with the grid-positioning means almostready to move the grid into proper position,

Letters Patent No. 769,679, dated September 6, 1904.

Serial No. 214,270. (No model.)

i the lay having been illustrated as moved sidewise to the right.

The lay 1, having a transverse recess 2 in its raceway to permit thepassage of the forkl tines, the filling-fork 3, pivotally mounted on aslide at, movable in a fixed path in its stand or guide 5, rigidlysecured to the breast-beam 6 of the loom, and the weft-hammer 7, havinga hook 8 to be engaged by the fork-tail 9 when the fork is not tilted,may be and are all of well-known construction and operate in usualmanner.

In the present embodiment of my invention the upturned grid or grating10, located at the rear end of the recess 2, has a forwardlyextendedenlarged fiat foot 11, which rests upon the bottom of the recess 2.,said foot having an elongated slot 12 parallel to the length l of thelay to receive the shank of a headed l guide and retaining screw 13.Behind the i lay the back of the foot is bent down, as at 1%, Fig. 3,and dotted lines, Fig. 2, and provided with an elongated slot 15 toreceive a headed screw 16, the two screws permitting lateral movement ofthe grid bodily in the recess, while the downturned part H prevents anyrotative or twisting movement of the grid on screw 13 as a center.Leaf-springs lTare secured at their front ends to the sides of therecess 2, while their free ends engage the lower part of the grid onopposite sidesthereof and normally maintain it in position opposite thefilling-fork. If the lay moves sidewise, the grid will be moved so thatit will be struck by the fork-tines, and to prevent this and accuratelyposition the grid with relation to the filling-fork the lay beats up 1have provided the rear end of the fork-slide & with two rearwardprojections 18, one at each side. The inner parallel faces 19 of theprojections are separated sufiiciently to easily embrace l the grid whenthe lay beats up, and said faces are outwardly beveled or flared, as at20. near their rear ends, making a flaring entrance to the space betweenthe faces 19. As shown in Fig. 3, the projections 18 are bent downwardto engage the grid below its upper end, and if there is no side motionof the lay the pro jections slide freely past the sides of the grid. Ifthe lay is moved sidewise, however, as in Fig. 4, one of the sides ofthe grid will engage a beveled face 20 on one of the projections 18, andas the lay completes its forward beat such face will act as a cam topush the grid in the opposite direction laterally until it can enterbetween the faces 19, thereby accurately positioning the grid withrelation to the fork. One or the other of the controllingsprings 17 willbe compressed when the grid is thus moved laterally on the lay, and assoon as the grid is disengaged from the described projections (as thelay swings back) the springs will center the grid in the recess 2.

WVith the construction herein shown the grid will always be accuratelypositioned irrespective of side movement of the lay, so that as the laybeats up the grid and fork will be in their proper and accurate relativepositions.

The particular construction and arrangement of the parts herein shownand described may be varied in diflerent particulars by those skilled inthe art without departing from the spirit and scope of my invention.

Having described my invention, what I claim, and desire to secure byLetters Patent, 1s

1. In a loom, a lay having a laterally-movable grid, a filling-fork, itsslide, a rigid stand in which the fork slides, andintermittinglyoperating means to cooperate with the grid and accuratelyposition the same with relation to the fork.

2. In a loom, a lay having a laterally-movable grid', a filling-fork, aslide therefor movable in a fixed path, and means operative on theforward beat of the lay to move the grid laterally into accurateposition with relation to the fork.

3. In a loom, a lay having a laterally-movable grid, a filling-fork, aslide therefor movable in a fixed path, and means mounted on the slideto cooperate with the grid on the forward beat of the lay and insure theaccurate positioning of the grid With relation to the fork.

4. In a loom, a lay having a laterally-movable grid, spring-acting meansto normally control it, a fillingfork, its stand movable in a fixedpath, and means on the stand to engage the grid on the forward beat ofthe lay and when necessary to move it against the action of saidspring-acting means and into accurate position with relation to thefork.

5. In a loom, a lay having a laterally-movable grid,springs actingthereupon to normally position it, a filling-fork, its slide, and meansmounted thereon to engage the grid as the lay beats up and whennecessary move the grid sidewise in one or the other direction toaccurately position the same with relation to the fork.

6. In a loom, a lay having a grid laterally movable thereon, yieldingmeans to normally prevent such movement, a filling-fork, and means toengage the grid on the forward beat of the lay and cause accurate andpositive positioning of the same with relation to the fork irrespectiveof any lateral motion of the lay. 7. In a loom, a lay having a gridlaterally movable thereon, yielding means to normally prevent suchmovement, a filling-fork, its stand movable in a fixed path, separatedand oppositely acting cam projections on the stand to receive betweenthem the grid on the forward beat of the lay and thereby insure accuratepositioning of the grid with relation to the fork. I In testimonywhereofI have signed my name to this specification in the presence oftwo subscribing witnesses.

ARTHUR E. BENSON.

Witnesses:

R. W. (JUTER, E. E. THIGPEN

